201889210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1571}}^1$

素因数の和:1830

約数の個数: 32

約数和(自身を含む): 370790784

約数和(自身を除く): 168901574

約数列:

[1, 2, 5, 10, 71, 142, 181, 355, 362, 710, 905, 1571, 1810, 3142, 7855, 12851, 15710, 25702, 64255, 111541, 128510, 223082, 284351, 557705, 568702, 1115410, 1421755, 2843510, 20188921, 40377842, 100944605, 201889210]

約数ペア:

[(1, 201889210), (2, 100944605), (5, 40377842), (10, 20188921), (71, 2843510), (142, 1421755), (181, 1115410), (355, 568702), (362, 557705), (710, 284351), (905, 223082), (1571, 128510), (1810, 111541), (3142, 64255), (7855, 25702), (12851, 15710)]